/* BackOnTop, botão para o inicio */
body{
  scroll-behavior: smooth;	/* scroll gradual*/
}
.tutop{
	display:none;
}
.totop, .totop img{
	width:60px;
	height:60px;
	bottom:40px;
	right:40px;
	z-index:13;
	opacity:.9;
	position: fixed;
}
.totop:hover{
	opacity:1
}
@keyframes totop{
	0%{
		opacity:0
	}100%{
		opacity:.8
	}
}
@keyframes tutop{
	0%{
		opacity:.8
	}100%{
		opacity:0
	}
}
